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Izvestiya: Mathematics, 2025, Volume 89, Issue 6, Pages 1125–1162
DOI: https://doi.org/10.4213/im9665e
(Mi im9665)
 

On the representations of the $C^*$-algebra of singular integral operators on a complex contour with discontinuous semi-almost periodic coefficients

I. V. Baibulov

Saint Petersburg State University
References:
Abstract:$C^*$-algebra generated by one-dimensional singular integral operators on an unbounded complex contour is studied. The coefficients are allowed to have jump discontinuities at the contour points and stabilize to almost periodic functions on each arc extending to infinity. All primitive ideals of this algebra are listed.
Keywords: singular integral operator, complex contour, semi-almost periodic coefficients, spectrum of a $C^*$-algebra, primitive ideals, localization principle.
Funding agency Grant number
Russian Science Foundation 22-11-00070
This research was supported by the Russian Science Foundation, grant no. 22-11-00070, https://rscf.ru/project/22-11-00070/.
Received: 22.10.2024
Revised: 18.03.2025
Published: 19.12.2025
Document Type: Article
UDC: 517.986.32+517.983.34
MSC: 47G10, 47L80, 42A75
Language: English
Original paper language: Russian
Citation: I. V. Baibulov, “On the representations of the $C^*$-algebra of singular integral operators on a complex contour with discontinuous semi-almost periodic coefficients”, Izv. Math., 89:6 (2025), 1125–1162
Citation in format AMSBIB
\Bibitem{Bai25}
\by I.~V.~Baibulov
\paper On the representations of the $C^*$-algebra of singular integral operators on a~complex contour with discontinuous semi-almost periodic coefficients
\jour Izv. Math.
\yr 2025
\vol 89
\issue 6
\pages 1125--1162
\mathnet{http://mi.mathnet.ru/eng/im9665}
\crossref{https://doi.org/10.4213/im9665e}
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    Известия Российской академии наук. Серия математическая Izvestiya: Mathematics
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